November 12, 2014, 4:22PM

Brad Twigger and Phil Badalamenti of PDOT adjust the snow plow blade on a truck. Crews from the Portland Bureau of Transportation prepare their vehicles with snow gear in anticipation of the threatening weather forecast for November 13. Michael Lloyd/The Oregonian.

November 12, 2014, 4:22PM

Phil Badalamenti of PDOT attaches lines to the controls of the snow plow blade on his truck. Crews from the Portland Bureau of Transportation prepare their vehicles with snow gear in anticipation of the threatening weather forecast for November 13. Michael Lloyd/The Oregonian.

November 12, 2014, 4:22PM

Brad Twigger and Phil Badalamenti of PDOT adjust the snow plow blade on a truck. Crews from the Portland Bureau of Transportation prepare their vehicles with snow gear in anticipation of the threatening weather forecast for November 13. Michael Lloyd/The Oregonian.

November 12, 2014, 4:22PM

Phil Badalamenti of PDOT adjusts the chains on his truck. Crews from the Portland Bureau of Transportation prepare their vehicles with snow gear in anticipation of the threatening weather forecast for November 13. Michael Lloyd/The Oregonian.

November 12, 2014, 4:22PM

Phil Badalamenti of PDOT adjusts the chains on his truck. Crews from the Portland Bureau of Transportation prepare their vehicles with snow gear in anticipation of the threatening weather forecast for November 13. Michael Lloyd/The Oregonian.

November 12, 2014, 4:22PM

Brad Twigger, left, and Phil Badalamenti of PDOT chain up a truck. Crews from the Portland Bureau of Transportation prepare their vehicles with snow gear in anticipation of the threatening weather forecast for November 13. Michael Lloyd/The Oregonian.

November 12, 2014, 4:22PM

Brad Twigger of PDOT chains up a truck. Crews from the Portland Bureau of Transportation prepare their vehicles with snow gear in anticipation of the threatening weather forecast for November 13. Michael Lloyd/The Oregonian.

November 12, 2014, 4:22PM

Brad Twigger and Phil Badalamenti of PDOT chain up a truck. Crews from the Portland Bureau of Transportation prepare their vehicles with snow gear in anticipation of the threatening weather forecast for November 13. Michael Lloyd/The Oregonian.

November 12, 2014, 4:22PM

Brad Twigger, right, and Phil Badalamenti of PDOT prepare to put chains on a truck. Crews from the Portland Bureau of Transportation prepare their vehicles with snow gear in anticipation of the threatening weather forecast for November 13. Michael Lloyd/The Oregonian.

November 12, 2014, 4:22PM

Brad Twigger and Phil Badalamenti of PDOT chain trucks and adjust snow plow blades. Crews from the Portland Bureau of Transportation prepare their vehicles with snow gear in anticipation of the threatening weather forecast for November 13. Michael Lloyd/The Oregonian.

November 12, 2014, 4:22PM

Reporters surround a PDOT worker as he chains up his truck. Crews from the Portland Bureau of Transportation prepare their vehicles with snow gear in anticipation of the threatening weather forecast for November 13. Michael Lloyd/The Oregonian.

November 12, 2014, 4:22PM

Brad Twigger helps a driver adjust the snow plow blade on his truck. Crews from the Portland Bureau of Transportation prepare their vehicles with snow gear in anticipation of the threatening weather forecast for November 13. Michael Lloyd/The Oregonian.

November 12, 2014, 4:22PM

Brad Twigger helps a driver adjust the snow plow blade on his truck. Crews from the Portland Bureau of Transportation prepare their vehicles with snow gear in anticipation of the threatening weather forecast for November 13. Michael Lloyd/The Oregonian.

November 12, 2014, 4:22PM

Brad Twigger of PDOT puts chains on a city truck. Crews from the Portland Bureau of Transportation prepare their vehicles with snow gear in anticipation of the threatening weather forecast for November 13. Michael Lloyd/The Oregonian.